CN205786199U - A kind of soil-column test device for simulating solute transfer in consolidated soil - Google Patents
A kind of soil-column test device for simulating solute transfer in consolidated soil Download PDFInfo
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- CN205786199U CN205786199U CN201620533781.5U CN201620533781U CN205786199U CN 205786199 U CN205786199 U CN 205786199U CN 201620533781 U CN201620533781 U CN 201620533781U CN 205786199 U CN205786199 U CN 205786199U
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- soil
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- cylinder
- consolidation
- pressurization
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- 239000002689 soil Substances 0.000 title claims abstract description 65
- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 238000012546 transfer Methods 0.000 title claims abstract description 9
- 238000007596 consolidation process Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000004575 stone Substances 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 8
- 231100000719 pollutant Toxicity 0.000 abstract description 8
- 239000011148 porous material Substances 0.000 abstract description 6
- 238000013508 migration Methods 0.000 abstract description 5
- 230000005012 migration Effects 0.000 abstract description 5
- 238000004088 simulation Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract 1
- 238000009792 diffusion process Methods 0.000 description 11
- 230000008595 infiltration Effects 0.000 description 10
- 238000001764 infiltration Methods 0.000 description 10
- 239000006185 dispersion Substances 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000000416 exudates and transudate Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of soil-column test device for simulating solute transfer in consolidated soil, this device mainly includes pressurize consolidation device and earth pillar seepage apparatus.Described pressurization consolidation device is mainly controlled pressurization disk soil sample applying pressure in earth pillar by air compressor machine and cylinder and is allowed to consolidate.Use earth pillar seepage apparatus that the soil sample after consolidation is carried out seepage tests again, this device can ensure that by controlling the placing height of geneva bottle the head on earth pillar top keeps definite value, thus control earth pillar pore water and migrate in consolidation soil under conditions of head keeps necessarily, pollutant migration diffusing phenomenon in consolidated soil under head condition are determined in simulation.
Description
Technical field
This utility model relates to a kind of soil-column test device for simulating solute transfer in consolidated soil, can be
Determine under head condition, to carry out the test of solute transfer in consolidated soil.
Background technology
The pollutant emission of modernized society causes underground water pollution serious.After the pollutant of surface discharge dissolve
Along with rainfall infiltration enters subsoil water, along with the migration diffusion of groundwater flow direction, groundwater environment is caused
Destroy, affect vegeto-animal living environment, and progressively corrode the ground of building, affect human society and build
The safety of thing.Therefore, the research of soil solute transport has become as the important research class of environmental geotechnical
Topic.Soil-column test is the important method carrying out soil solute transport research.
Carry out at present soil-column test both at home and abroad when carrying out soil solute transport simulation, general use to circle organic
The earth pillar that glass is made manually loads soil sample, injects above the solution containing polluter from earth pillar, at soil
Transudate is collected for experimental analysis below post.The shortcoming of the method is: (1) experimental result is by man's activity
Relatively big because soil density has an inhomogeneity in the earth pillar of artificial filling, and artificial filling earth pillar is time-consuming takes
Power；(2) experiment is limited to the kind of soil, can only be suitable for that the artificial garbled component of part is single and saturated yielding
The soil (such as sand, gravel soil etc.) that property is poor, it is impossible to polluter in consolidated soil under simulating natural condition
Transport conditions.(3) during pollutant solution sample introduction, infiltration rate is unstable.
For solving the problems referred to above, this utility model provides a kind of simulating pollution solution natural soil after consolidation
The soil-column test device of middle Migration mark.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, it is provided that one is used for simulating consolidated soil
The soil-column test device of middle solute transfer, it can be simulated and determine natural in consolidation of polluter under head condition
Transport conditions in soil.
Soil-column test device for simulating solute transfer in consolidated soil of the present utility model, presses solidly including adding
Knot device and earth pillar seepage apparatus；Described pressurization consolidation device consolidates for earth pillar sample carries out pressurization,
Including air operated reversing valve, cylinder, piston rod, pressurization disk, counter-force screw rod, base, precision pressure gauge, height
Air pipe, air vent valve, reaction beam, clamp nut and the first permeable stone, high-pressure air pipe one end connects sky
Press, one end and cylinders, cylinder top is provided with air operated reversing valve and air vent valve, precision pressure gauge
Being connected to cylinder top and monitor cylinder pressure in real time, cylinder is placed on reaction beam, and piston rod upper end is positioned at
In cylinder, lower end is connected with pressurization disk through reaction beam and end by clamp nut, and pressurization disk is placed in first
On permeable stone, the first permeable stone be placed in test earth pillar on, counter-force screw rod upper end is fixed with reaction beam, lower end and
Base is fixed；
Described earth pillar seepage apparatus is for carrying out seepage tests, including geneva to the earth pillar sample after pressurization consolidation
Bottle, water pipe, water intaking valve, upper rubber cushion, silica gel collar, flange circle, base plate, upper cover plate, test specimen tube, on
Bonnet bolt, flange bolt, the second permeable stone, exhalant canal and outlet, water pipe one end connects geneva bottle,
The other end is connected with upper cover plate, and upper cover plate is provided with water intaking valve, by upper rubber cushion and test specimen tube bottom upper cover plate
Contacting, test specimen tube bottom and contacts baseplate, upper cover plate is connected with base plate by upper bonnet bolt, outside test specimen tube
Being provided with flange circle week, use therebetween silica gel collar to be connected, flange circle is connected with base plate by flange bolt,
Placing the second permeable stone bottom test specimen tube, base plate is provided with exhalant canal and outlet.
Being entered in cylinder by high-pressure air pipe by output gas by air compressor machine during pressurization consolidation, cylinder passes through piston
Bar pushes down on pressurization disk, and soil sample is loaded in earth pillar sleeve, and it is equipped with the first permeable stone, and pressurization disk is
On one permeable stone, the applying of the soil sample in earth pillar pressure is allowed to consolidate；Cylinder top is provided with air vent valve and essence
Close Pressure gauge, is used for regulating the pressure in pressurization disk and makes up to certain value；Go back in pressurization disk or on piston rod
A dial gauge or amesdial can be disposed, be used for measuring pressurization disk displacement.Earth pillar after consolidation is placed in soil
In post seepage apparatus, after loading a certain amount of deionized water in geneva bottle, it is placed on certain level height,
Collect the deionized water that the outlet from base plate flows out, the infiltration coefficient of the soil body after calculating consolidation；
The most again in geneva bottle, load a certain amount of pollutant solution and be placed on certain level height, by beating
Open or close the outlet closing on base plate, be diffused or mechanical dispersion test, according to correlation formula, calculate
Go out diffusion coefficient and the mechanical dispersion coefficient of the soil body after consolidating.
Device of the present utility model uses air compressor machine to produce gas pressure intensity, is applied earth pillar by circular pressurization disk
Pressure, can accelerate soil consolidation process.Utilize geneva bottle to control earth pillar pore water and keep certain at head
Under the conditions of allow pollutant solution migrate in consolidation soil, simulation determines under head condition pollutant in consolidated soil
Migration diffusing phenomenon.In addition an air compressor machine can be connected with multiple pressurization consolidation device, it is achieved will be many
Group soil sample consolidates simultaneously.This utility model can control earth pillar inner pore water penetration pressure by geneva bottle and keep definite value
Constant.
Accompanying drawing explanation
Fig. 1 is the structural representation of pressurization consolidation device；
Fig. 2 is the structural representation of soil infiltration device；
Fig. 3 is the structural representation of geneva bottle；
Fig. 4 is earth pillar tube-in-tube structure schematic diagram.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, described pressurization consolidation device includes air operated reversing valve 1-1, cylinder 1-2, piston rod
1-3, pressurization disk 1-4, counter-force screw rod 1-5, base 1-6, precision pressure gauge 1-7, high-pressure air pipe 1-8, gas
Dynamic pressure regulator valve 1-9, reaction beam 1-10, clamp nut 1-11 and the first permeable stone 1-12, high-pressure air pipe 1-8
One end connects air compressor machine, and one end is connected with cylinder 1-2, and it is gentle that cylinder 1-2 top is provided with air operated reversing valve 1-1
Dynamic pressure regulator valve 1-9, precision pressure gauge 1-7 are connected to cylinder 1-2 top, and cylinder 1-2 is placed in reaction beam 1-10
On, piston rod 1-3 upper end is positioned at cylinder 1-2, and clamp nut is passed through through reaction beam 1-10 end in lower end
1-11 is connected with pressurization disk 1-4, and pressurization disk 1-4 is placed in the first permeable stone 1-12 (being positioned on test earth pillar),
Counter-force screw rod 1-5 fixes with reaction beam 1-10 upper end, and counter-force screw rod 1-5 lower end is fixed on base 1-6 upper surface.
As shown in accompanying drawing 2,3 and 4, described soil infiltration device includes geneva bottle 3, water pipe 4-1, water intaking valve
4-2, upper rubber cushion 4-3, silica gel collar 4-4, flange circle 4-5, base plate 4-6, upper cover plate 4-7, test specimen tube 4-8,
Upper bonnet bolt 4-9, flange bolt 4-10, the second permeable stone 4-11, exhalant canal 4-12 and outlet 4-13,
Water pipe 4-1 one end connect geneva bottle 3, the other end is connected with upper cover plate 4-7, upper cover plate 4-7 be arranged above with into
Water valve 4-2, is contacted with test specimen tube 4-8 by upper rubber cushion 4-3 bottom upper cover plate 4-7, test specimen tube 4-8 bottom
Contacting with base plate 4-6, upper cover plate 4-7 is connected with base plate 4-6 by upper bonnet bolt 4-9, outside test specimen tube 4-8
Being provided with flange circle 4-5 week, be connected by silica gel collar 4-4 therebetween, flange circle 4-5 passes through flange bolt
4-10 is connected with base plate 4-6, and the second permeable stone 4-11 is placed in bottom test specimen tube 4-8, and base plate 4-6 is provided with out
Aquaporin-4-12 and outlet 4-13.
Device of the present utility model can be used for the coefficient of consolidation in soil-column test, infiltration coefficient, pollutant diffusion coefficient,
The isoparametric measurement of mechanical dispersion coefficient, carries out the skill of natural soil consolidation below to application this utility model device
Art scheme illustrates.
According to testing program and purpose, need to inject soil sample to be tested, soil sample to test specimen tube 4-8 according to test
The second permeable stone 4-11 is placed in bottom, and soil sample top is reserved certain space and put the first permeable stone 1-12, then will
Earth pillar is placed in the rigid base 1-6 central authorities of pressurization consolidation system, the underface of piston rod 1-3.According to test mesh
Regulation air vent valve 1-9 regulate to convenient pressure, stir air operated reversing valve 1-1 and make piston rod 1-3 decline
Pressurize above the first permeable stone 1-12.Piston rod 1-3 installs a displacement amesdial, and by position
The magnetic bases moving amesdial are fixed on reaction beam 1-10, may determine that piston rod 1-3 by amesdial reading
Displacement.
(1) mensuration of soil sample consolidation compression curve
Take certain mass soil sample to be measured and the deionized water according to the calculated respective amount of saturated aqueous rate, be placed in
Mix and blend in de-airing mixer.After vacuum stirring 4 hours, earth pillar upper cartridge lid is taken off, at soil
Lower permeable stone 4-11 is placed in column bottom, then is loaded in soil sample sleeve (Fig. 4) by obtained mud, and soil sample top is put
Putting upper dankness stone 1-12, stand 1 day, after deadweight draining, the counterweight using 2 pieces of weight 1.275kg is pre-to soil sample
Press 1 day.Being placed in by earth pillar below the piston rod in pressurization consolidation device, regulation air vent valve makes Pressure gauge
Reading on 3-7, to required pressure registration, is then stirred air operated reversing valve 1-1 and is made piston rod move down, with
Upper dankness stone 1-12 is fully contacted, subsequently according to following time series record amesdial reading.Time is: 0s,
6s、15s、1min、2min、4min、6min、9min、12min、16min、20min、25min、30min、
36min, 42min, 49min, 64min, 100min, 200min, 400min, 23h, 24h, until examination
Sample height deforms per hour and reaches 0.01mm.Need soil sample is pressurizeed step by step according to test.According to " soil
Work test method standard (GB/T 50123-1999) calculates void ratio and the degree of consolidation, and draws soil sample compression song
Line, obtains the coefficient of consolidation.
(2) infiltration coefficient is measured
After pressurization consolidation, stir air operated reversing valve 1-1 and make piston rod 1-3 increase, remove earth pillar sleeve, by upper rubber cushion
4-3 is placed on above test specimen tube 4-8, is placed on by upper cover plate 4-7 above test specimen tube 4-8, bonnet bolt in fastening
4-9.Open geneva bottle (Fig. 3) air bleeding valve 3-2, filled in geneva bottle by geneva bottle water inlet 3-1
Ionized water, is then turned off geneva bottle air bleeding valve 3-2.According to shown in Fig. 2 by the water at geneva bottle apopore 3-6
Pipe 3-7 is connected with the water inlet of the upper cover plate 4-7 of earth pillar sleeve.According to the head height required for test, will
Geneva bottle is placed on the position of certain altitude, and geneva bottle central air vents 3-5 with the distance of sample upper surface is
Head height for test.Flow liquid collected out by outlet 4-13 beaker at earth pillar sleeve, determines flow liquid
Quality, flowing-out time and go out the electrical conductivity of flow liquid, after conductivity value is stable, terminate drip washing.According to test
Result solves the coefficient of permeability K of corresponding head, and the computing formula of coefficient of permeability K is as follows:
In formula, K represents infiltration coefficient, cm/s；m1Represent flow liquid quality, g；L1Represent soil sample height,
cm；H represents head difference, m；A represents soil sample tube floor space, cm2；T represents flowing-out time, h.
(3) diffusion coefficient D * is measured
Ion diffusion property in soil is typically tested by the one-dimensional diffusion test of inert ion, this theory
Bright as a example by chloride ion by earth pillar cylinder lower end outlet 4-13 clamp, anhydrous outflow, by geneva bottle
Deionized water change NaCl solution into.After certain time (t), soil sample is taken out from cylinder, take axis with cutting ring
Soil sample is cut into slices, and takes about 1g soil sample and put in conical flask in every soil sample, dries, weighs.To cone
Shape bottle adds the water of the quality of soil sample 40 times own, vibrates 1 hour.By in conical flask mixed liquor move into from
Heart pipe, centrifugal 10 minutes.Take the supernatant of centrifugal Herba potentillae fulgentis, measure Cl in supernatant with anion chromatographic instrument-
Concentration.The solute concentration C that test obtains at different depth z in pore water, draws according to by formula 2 inverse
Solute effective diffusion cofficient D* (Sharma and Reddy, 2004) in soil.
Wherein z is slice depth (m), and t is the time (s), RdFor block characteristics (inert ion is 1), vs
For flow velocity (m/s) (being 0m/s under this test situation), DMFor mechanical dispersion coefficient (under this test situation it is
0m/s).D* and the formula 3 tried to achieve according to above formula are calculated bend factor τa。
D*=τaD0 (3)
Wherein D0For ion diffusion coefficient in Free water, it is known that chloride ion D0=20.3 × 10-10m2/s
(25℃)。
(4) machinery dispersion coefficient D is measuredMWith spread αl。
After having measured infiltration coefficient, opening earth pillar sleeve lower end outlet valve 4-13, solute is in soil sample
Lower migration is jointly acted on through convection current, diffusion and mechanical dispersion.After certain time t, soil sample is taken out from cylinder, use
Solute concentration C in pore water at above-mentioned same method test different depth z.Further according to formula 2 and DM=αlvsInstead
Calculate and obtain solute vertical dispersivity α in soill。
(5) block characteristics R is measuredd
After obtaining consolidating the parameters such as the infiltration coefficient of soil sample, bend factor and vertical dispersivity, take identical solid
The soil sample obtained under the conditions of knot, changes the solion with adsorptivity into by the inert ion solution in geneva bottle,
Carry out one-dimensional diffusion or convection-dispersion test.Soil sample is taken out after carrying out certain time t from cylinder by test, uses
Solute concentration C in pore water at above-mentioned same method test different depth z.By the bend factor obtained, root
This ion effective diffusion cofficient D in consolidation soil sample can be calculated according to formula 3*；In conjunction with vertical dispersivity
With the percolation flow velocity under different head condition, according to formula 2, concentration profile is carried out inverting and can get different heads
Under the conditions of block characteristics Rd。
Above-mentioned detailed description of the invention is used for illustrating this utility model rather than limiting this utility model
System, in spirit of the present utility model and scope of the claims, that makes this utility model is any
Modifications and changes, both fall within protection domain of the present utility model.
Claims (2)
1. for simulating the soil-column test device of solute transfer in consolidated soil, including pressurization consolidation device and
Earth pillar seepage apparatus；Described pressurization consolidation device for carrying out pressurization consolidation to earth pillar sample, including pneumatic
Reversal valve (1-1), cylinder (1-2), piston rod (1-3), pressurization disk (1-4), counter-force screw rod (1-5),
Base (1-6), precision pressure gauge (1-7), high-pressure air pipe (1-8), air vent valve (1-9), reaction beam
(1-10), clamp nut (1-11) and the first permeable stone (1-12), high-pressure air pipe (1-8) one end connection sky
Press, one end is connected with cylinder (1-2), and it is gentle that cylinder (1-2) top is provided with air operated reversing valve (1-1)
Dynamic pressure regulator valve (1-9), precision pressure gauge (1-7) is connected to cylinder (1-2) top and monitors cylinder in real time
Pressure, cylinder (1-2) is placed on reaction beam (1-10), and piston rod (1-3) upper end is positioned at cylinder (1-2)
In, clamp nut (1-11) and pressurization disk (1-4) phase are passed through through reaction beam (1-10) and end in lower end
Even, pressurization disk (1-4) is placed on the first permeable stone (1-12), and the first permeable stone is placed on test earth pillar,
Counter-force screw rod (1-5) upper end is fixed with reaction beam (1-10), and lower end is fixed with base (1-6)；
Described earth pillar seepage apparatus is for carrying out seepage tests, including geneva to the earth pillar sample after pressurization consolidation
Bottle (3), water pipe (4-1), water intaking valve (4-2), upper rubber cushion (4-3), silica gel collar (4-4), flange circle
(4-5), base plate (4-6), upper cover plate (4-7), test specimen tube (4-8), upper bonnet bolt (4-9), flange spiral shell
Bolt (4-10), the second permeable stone (4-11), exhalant canal (4-12) and outlet (4-13), water pipe (4-1)
One end connects geneva bottle (3), and the other end is connected with upper cover plate (4-7), and upper cover plate (4-7) is provided with into water
Valve (4-2), upper cover plate (4-7) bottom is contacted with test specimen tube (4-8) by upper rubber cushion (4-3), sample
Cylinder (4-8) bottom contacts with base plate (4-6), and upper cover plate (4-7) is by upper bonnet bolt (4-9) and base plate
(4-6) being connected, test specimen tube (4-8) periphery is provided with flange circle (4-5), uses therebetween silica gel collar (4-4)
Being connected, flange circle (4-5) is connected with base plate (4-6) by flange bolt (4-10), test specimen tube (4-8)
The second permeable stone (4-11) is placed in bottom, and base plate (4-6) is provided with exhalant canal (4-12) and outlet (4-13).
Soil-column test device for simulating solute transfer in consolidated soil the most according to claim 1,
It is characterized in that, described pressurization disk or piston rod are mounted with a dial gauge or amesdial, are used for surveying
The displacement of amount pressurization disk.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620533781.5U CN205786199U (en) | 2016-06-02 | 2016-06-02 | A kind of soil-column test device for simulating solute transfer in consolidated soil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620533781.5U CN205786199U (en) | 2016-06-02 | 2016-06-02 | A kind of soil-column test device for simulating solute transfer in consolidated soil |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918384A (en) * | 2018-07-18 | 2018-11-30 | 重庆大学 | Earth pillar seepage inflow erosion experimental provision and soil-water separate experimental method under a kind of rain infiltration |
| CN109226224A (en) * | 2018-11-12 | 2019-01-18 | 宁波大学 | A kind of the Polluted Soil elution prosthetic device and operating method of temperature-controllable |
| CN109959553A (en) * | 2019-03-15 | 2019-07-02 | 浙江大学 | Consolidation-infiltration-shear wave velocity coupling experiment device |
| CN110208489A (en) * | 2019-05-17 | 2019-09-06 | 济宁市公路工程公司 | The simulation test device and test method of capillary water height in a kind of subgrade soils |
| CN111983186A (en) * | 2020-07-27 | 2020-11-24 | 河海大学 | Solution collecting device and method for geotechnical centrifugal model test |
-
2016
- 2016-06-02 CN CN201620533781.5U patent/CN205786199U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918384A (en) * | 2018-07-18 | 2018-11-30 | 重庆大学 | Earth pillar seepage inflow erosion experimental provision and soil-water separate experimental method under a kind of rain infiltration |
| CN108918384B (en) * | 2018-07-18 | 2022-04-26 | 重庆大学 | Rainwater infiltration soil column seepage erosion experimental device and soil-water separation experimental method |
| CN109226224A (en) * | 2018-11-12 | 2019-01-18 | 宁波大学 | A kind of the Polluted Soil elution prosthetic device and operating method of temperature-controllable |
| CN109959553A (en) * | 2019-03-15 | 2019-07-02 | 浙江大学 | Consolidation-infiltration-shear wave velocity coupling experiment device |
| CN109959553B (en) * | 2019-03-15 | 2023-12-01 | 浙江大学 | Consolidation-permeation-shear wave velocity coupling experimental device |
| CN110208489A (en) * | 2019-05-17 | 2019-09-06 | 济宁市公路工程公司 | The simulation test device and test method of capillary water height in a kind of subgrade soils |
| CN111983186A (en) * | 2020-07-27 | 2020-11-24 | 河海大学 | Solution collecting device and method for geotechnical centrifugal model test |
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